S-93190A340 5/16"-24 x 3/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional mechanical strength with a 70,000 psi tensile strength for reliable, high-stress applications
• Precise and secure fastening ensured by the Class 2A thread fit and 5/16"-24 UNF fine threading
• Easy installation and removal with a standard 1/2" external hex head for common tool compatibility
• Full-length threading provides consistent grip and holding power along the entire 3/4" shank
• Guaranteed material integrity with a Rockwell B70 hardness for excellent durability and wear resistance
• Compliance with major industrial and environmental standards including ASME B18.2.1, RoHS 3, and REACH

Professional Applications & Engineering Value

This 316 stainless steel hex head screw is engineered to solve critical challenges in demanding industrial settings. Its superior corrosion resistance makes it ideal for applications exposed to chemicals, saltwater, and other corrosive agents, significantly extending service life and reducing maintenance costs. The combination of UNF fine threading and a Class 2A thread fit provides vibration resistance and prevents loosening in dynamic assemblies, from heavy machinery to marine equipment. The external hex drive and fully threaded design allow for efficient installation and a uniform clamping force, ensuring reliable performance in industrial fastening where strength and environmental compliance are non-negotiable.

Specification Summary & Compliance

This screw features a 5/16"-24 UNF fine thread with a Class 2A thread fit for precise dimensional accuracy. It is manufactured in compliance with the ASME B18.2.1 standard and is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its adherence to strict environmental and safety regulations for industrial use.